Timarcha is a genus of leaf beetles in the family Chrysomelidae, with more than 100 described species in three subgenera. The most widely known species is T. tenebricosa, the bloody-nosed beetle. All species are black, wingless organisms. Timarcha are herbivorous species, living mostly on plants belonging to Rubiaceae and Plumbaginaceae, although a few can feed on Brassicaceae and Rosaceae. Timarcha is the only member of the tribe Timarchini.
Species
These 20 species belong to the genus Timarcha:
Timarcha affinis Laboissière, 1937 g
Timarcha cerdo Stål, 1863 i c g
Timarcha cornuta Bechyné, 1944 g
Timarcha cyanescens Fairmaire, 1862 g
Timarcha coarcticollis Fairmaire, 1873 g
Timarcha daillei Laboissière, 1939 g
Timarcha goettingensis (Linnaeus, 1758) g
Timarcha insparsa
Timarcha interstitialis Fairmaire, 1862 g
Timarcha intricata Haldeman, 1853 i c g b
Timarcha italica Herrich-Schäffer, 1838 g
Timarcha lugens
Timarcha marginicollis
Timarcha maritima Perris, 1855 g
Timarcha metallica (Laicharting, 1781) g
Timarcha monticola Dufour, 1851 g
Timarcha nicaeensis A.Villa & G.B.Villa, 1835 g
Timarcha obsoleta Laboissière, 1937 g
Timarcha recticollis Fairmaire, 1862 g
Timarcha sardea (Villa, 1835) g
Timarcha sinuatocollis Fairmaire, 1862 g
Timarcha strangulata Fairmaire, 1862 g
Timarcha temperei Jeanne, 1965 g
Timarcha tenebricosa (Fabricius, 1775) g (Bloody-nosed beetle)